CN102487156B - Multifrequency antenna and apply the radio communication device of this multifrequency antenna - Google Patents
Multifrequency antenna and apply the radio communication device of this multifrequency antenna Download PDFInfo
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- CN102487156B CN102487156B CN201010570713.3A CN201010570713A CN102487156B CN 102487156 B CN102487156 B CN 102487156B CN 201010570713 A CN201010570713 A CN 201010570713A CN 102487156 B CN102487156 B CN 102487156B
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Abstract
The invention provides a kind of multifrequency antenna and apply the radio communication device of this multifrequency antenna, this multifrequency antenna comprises the first antenna and the second antenna, described first antenna and the second antenna loop arrange to form the loop roughly closed around a circuit board, and are formed with breach respectively between the end of this first antenna and the second antenna.
Description
Technical field
The present invention relates to a kind of multifrequency antenna and apply the radio communication device of this multifrequency antenna, particularly relate to a kind of multifrequency antenna of miniaturization and apply the radio communication device of this multifrequency antenna.
Background technology
At mobile phone, personal digital assistant (personal digital assistant, etc. PDA) in radio communication device, antenna is used for launching, receiving radio wave to transmit, to exchange the parts of radio data signal, one of most important assembly in radio communication device beyond doubt as it.
Single-band antenna device generally not easily meets the demand of people to multiband radio communication device, therefore present radio communication device many employings multifrequency antenna.So, existing multifrequency antenna generally has more complicated structure and larger volume, may occupy a big chunk space in radio communication device, be unfavorable for that radio communication device is towards lightening future development.
Summary of the invention
In view of this, be necessary that providing a kind of takes up space less and do not affect the multifrequency antenna receiving and dispatching performance.
Separately, be necessary to provide a kind of radio communication device applying above-mentioned multifrequency antenna.
A kind of multifrequency antenna, comprises the first antenna and the second antenna, and described first antenna and the second antenna loop arrange to form the loop roughly closed around a circuit board, and are formed with breach respectively between the end of this first antenna and the second antenna.
A kind of radio communication device, comprises circuit board and described multifrequency antenna.
The enclosure interior of radio communication device of the present invention by multifrequency antenna loop circuit capable plate is arranged or is arranged in radio communication device, effectively can save installing space, be conducive to the miniaturization of radio communication device.
Accompanying drawing explanation
Fig. 1 is the overall schematic of the radio communication device of the present invention first better embodiment.
What Fig. 2 was the first antenna in radio communication device shown in Fig. 1 returns loss measurement result schematic diagram.
What Fig. 3 was the second antenna in radio communication device shown in Fig. 1 returns loss measurement result schematic diagram.
Fig. 4 is the overall schematic of the radio communication device of the present invention second better embodiment.
Main element symbol description
Radio communication device 100,200
Circuit board 11,21
Multifrequency antenna 12,22
First chip 111,211
Second chip 112,212
First antenna 121,221
Second antenna 122,222
First signal feed-in part 123,223
Secondary signal feeding portion 124,224
Breach 125,225
Embodiment
Refer to Fig. 1, be depicted as the radio communication device 100 of the present invention first preferred embodiment.This radio communication device 100 can be mobile phone, personal digital assistant (personaldigital assistant, PDA) etc., comprises circuit board 11 and multifrequency antenna 12.
This circuit board 11 roughly in tabular, is provided with the first chip 111 and the second chip 112.GSM signal, EGSM signal, DCS signal, PCS signal and WCDMA signal that this first chip 111 can be used for multifrequency antenna 12 receives carry out the process such as demodulation, also can carry out the respective handling such as modulating to needing the above-mentioned signal launched by multifrequency antenna 12.This second chip 112 can be used for the gps signal that receives multifrequency antenna 12 and Bluetooth signal carries out respective handling, also can carry out the respective handling such as modulating to the gps signal needing be launched by multifrequency antenna 12 and Bluetooth signal.
This multifrequency antenna 12 comprises the first antenna 121, second antenna 122, first signal feed-in part 123 and secondary signal feeding portion 124.This first antenna 121 can be operated in the frequency range that GSM signal, EGSM signal, DCS signal, PCS signal and WCDMA signal use, and this second antenna 122 can be operated in the frequency range that gps signal and Bluetooth signal use.This first antenna 121 and the second antenna 122 are plates, are made up of metal sheet or flexible print circuit board (flexible printed circuit, FPC).The length of this first antenna 121 is greater than the length of the second antenna 122, and both are all arranged perpendicular to the surface of circuit board 11, and loop circuit capable plate 11 be connected on the edge of circuit board 11, to form a loop roughly closed.Two roughly rectangular breach 125 are formed, to form a loop roughly closed between the end of this first antenna 121 and the second antenna 122.This first signal feed-in part 123 is straight strip shape body, and it is electrically connected this first antenna 121 and the first chip 111, to carry out the transmission of GSM signal, EGSM signal, DCS signal, PCS signal and WCDMA signal.This secondary signal feeding portion 124 is straight strip shape body, and it is electrically connected this second antenna 122 and the first chip 111, to carry out the transmission of gps signal and Bluetooth signal.
Be appreciated that the position by the length of the position and size, the first antenna 121 and the second antenna 122 regulating this breach 125, the first signal feed-in part 123 and secondary signal feeding portion 124, to regulate the frequency range of this radio communication device 100.
When described radio communication device 100 works, signal enters the first antenna 121 and the second antenna 122 from the first signal feed-in part 123 and secondary signal feeding portion 124 respectively, makes the first antenna 121 and the second antenna 122 be operated in above-mentioned frequency range respectively.In addition, when a wherein antenna (as the first antenna 121) is when the transmitting-receiving performance of a certain frequency range (as GSM frequency range) is not good, can be resonated out another antenna (the second antenna 122) corresponding resonance mode, make radio communication device 100 be operated in multiple frequency range, and the transmitting-receiving performance of each frequency range is all in preferable states.
Refer to Fig. 2, what be depicted as the first antenna 121 in radio communication device 100 returns loss (return loss, RL) measurement result schematic diagram, wherein represented by dotted arrows the simulation results; Solid line represents actual test result.As can be seen from Figure, no matter this radio communication device 100 is emulation testing or actual test, its frequency range can contain to GSM850, EGSM900, DCS1800, PCS1900 and WCDMA2100 five communication systems.Wherein, respectively when frequency is 824MHz, 960MHz, 1710MHz and 2170MHz, the RL value of this first antenna 121, all lower than-6dB, meets the requirement of wireless communication system.
Refer to Fig. 3, what be depicted as the second antenna 122 in radio communication device 100 returns loss (return loss, RL) measurement result schematic diagram, wherein represented by dotted arrows the simulation results; Solid line represents actual test result.As can be seen from Figure, no matter this radio communication device 100 is emulation testing or actual test, it all can meet the requirement of radio communication job design under the operating frequency of 1575MHz, 2400MHz.
See also Fig. 4, the radio communication device 200 in the present invention second preferred embodiment comprise circuit board 21 and multifrequency antenna 22.This circuit board 21 is provided with the first chip 211 and the second chip 212.This multifrequency antenna 22 comprises the first antenna 221, second antenna 222, first signal feed-in part 223 and secondary signal feeding portion 224.This first signal feed-in part 223 connects the first antenna 221 and the first chip 211; This secondary signal feeding portion 224 connects the second antenna 222 and the second chip 212.Two roughly rectangular breach 225 are formed between first antenna 221 and the second antenna 222 end.The edge setting separated by a distance of this first antenna 221 and the second antenna 222 and circuit board 21.
Be appreciated that the housing (not shown) that this first antenna 221 and the second antenna 222 also can adopt the method for metal plating to be arranged in radio communication device 200 is inner, and arrange around this circuit board 21.
Obviously, radio communication device 100 of the present invention, by multifrequency antenna 12 loop circuit capable plate 11 being arranged or is arranged on the enclosure interior in radio communication device 100, effectively can be saved installing space, be conducive to the miniaturization of radio communication device 100.
In addition, those skilled in the art also can make various amendments in other form and details, interpolation and replacement in the claims in the present invention scope of disclosure and spirit.Certainly, the changes such as these various amendments made according to the present invention's spirit, interpolation and replacement, all should be included in the present invention's scope required for protection.
Claims (7)
1. a multifrequency antenna, comprise the first antenna and the second antenna, described first antenna and the second antenna all adopt the method for metal plating to be arranged on the enclosure interior of a radio communication device, described first antenna and the second antennas orthogonal are arranged in the surface of a circuit board, and around described circuit board and on the edge being connected to circuit board or setting separated by a distance with the edge of described circuit board, to form the loop roughly closed, between the end of this first antenna and the second antenna, be formed with breach.
2. multifrequency antenna as claimed in claim 1, is characterized in that: the frequency range that described first Antenna Operation uses at GSM signal, EGSM signal, DCS signal, PCS signal and WCDMA signal.
3. multifrequency antenna as claimed in claim 1, is characterized in that: the frequency range that described second Antenna Operation uses at gps signal and Bluetooth signal.
4. multifrequency antenna as claimed in claim 1, is characterized in that: the length of described first antenna is greater than the length of the second antenna.
5. a radio communication device, comprises circuit board, it is characterized in that: described radio communication device also comprises the multifrequency antenna according to any one of claim 1-4 item.
6. radio communication device as claimed in claim 5, it is characterized in that: described circuit board is provided with the first chip, for carrying out respective handling to the GSM signal that multifrequency antenna received or launched, EGSM signal, DCS signal, PCS signal and WCDMA signal, described multifrequency antenna comprises the first signal feed-in part, and this first signal feed-in part connects this first antenna and the first chip.
7. radio communication device as claimed in claim 5, it is characterized in that: described circuit board is provided with the second chip, for carrying out respective handling to the gps signal that multifrequency antenna received or launched and Bluetooth signal, described multifrequency antenna comprises secondary signal feeding portion, and this secondary signal feeding portion connects this second antenna and the second chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010570713.3A CN102487156B (en) | 2010-12-02 | 2010-12-02 | Multifrequency antenna and apply the radio communication device of this multifrequency antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010570713.3A CN102487156B (en) | 2010-12-02 | 2010-12-02 | Multifrequency antenna and apply the radio communication device of this multifrequency antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102487156A CN102487156A (en) | 2012-06-06 |
| CN102487156B true CN102487156B (en) | 2015-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010570713.3A Active CN102487156B (en) | 2010-12-02 | 2010-12-02 | Multifrequency antenna and apply the radio communication device of this multifrequency antenna |
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| CN (1) | CN102487156B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103515696A (en) * | 2012-06-19 | 2014-01-15 | 深圳富泰宏精密工业有限公司 | Antenna assembly and wireless communication device therewith |
| CN103682564A (en) * | 2012-09-11 | 2014-03-26 | 联想移动通信科技有限公司 | Antenna and terminal equipment for CMMB (China mobile multimedia broadcasting) |
| CN105406907B (en) * | 2014-09-16 | 2019-02-05 | 联想(北京)有限公司 | The control method of electronic equipment and the electronic equipment |
| CN107505594B (en) * | 2017-09-21 | 2020-02-14 | 深圳市昇润科技有限公司 | Bluetooth positioning system and Bluetooth positioning method |
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| US7215600B1 (en) * | 2006-09-12 | 2007-05-08 | Timex Group B.V. | Antenna arrangement for an electronic device and an electronic device including same |
| CN101207229A (en) * | 2006-12-20 | 2008-06-25 | 株式会社东芝 | Electronic apparatus |
| CN101483270A (en) * | 2008-01-08 | 2009-07-15 | 宏达国际电子股份有限公司 | Electronic device with hidden antenna |
| JP2009188587A (en) * | 2008-02-05 | 2009-08-20 | Nec Corp | Communication terminal |
| KR20090107736A (en) * | 2008-04-10 | 2009-10-14 | 한양대학교 산학협력단 | Multiband antenna |
| CN101682119A (en) * | 2007-06-21 | 2010-03-24 | 苹果公司 | antennas for handheld electronic devices with conductive bezels |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100616509B1 (en) * | 2002-05-31 | 2006-08-29 | 삼성전기주식회사 | Broadband chip antenna |
| KR100597581B1 (en) * | 2004-11-05 | 2006-07-06 | 한국전자통신연구원 | Symmetrical Multiband Internal Antenna with Stubs |
| KR100695330B1 (en) * | 2004-12-21 | 2007-03-15 | 한국전자통신연구원 | Isolation Antenna for Repeater |
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2010
- 2010-12-02 CN CN201010570713.3A patent/CN102487156B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7215600B1 (en) * | 2006-09-12 | 2007-05-08 | Timex Group B.V. | Antenna arrangement for an electronic device and an electronic device including same |
| CN101207229A (en) * | 2006-12-20 | 2008-06-25 | 株式会社东芝 | Electronic apparatus |
| CN101682119A (en) * | 2007-06-21 | 2010-03-24 | 苹果公司 | antennas for handheld electronic devices with conductive bezels |
| CN101483270A (en) * | 2008-01-08 | 2009-07-15 | 宏达国际电子股份有限公司 | Electronic device with hidden antenna |
| JP2009188587A (en) * | 2008-02-05 | 2009-08-20 | Nec Corp | Communication terminal |
| KR20090107736A (en) * | 2008-04-10 | 2009-10-14 | 한양대학교 산학협력단 | Multiband antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102487156A (en) | 2012-06-06 |
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